Aggregate Laboratory Technician (AGL)
The CIT Program provides the following methods for obtaining certification:
1. Register for the entire Aggregate Laboratory Technician class and pass the written and performance exams.
Prerequisite: Pass Basic Math at least 30 days prior to enrolled class date and either hold a current Aggregate Field certification or be registered for an Aggregate Field class or exam.
2. Register for the Aggregate Laboratory Quiz Out/Recertification and pass the written and performance exams. The Quiz Out/Recertification option allows a person to take the written and performance exams for initial certification or for recertification without attending class. If this option is chosen, the individual is expressing their knowledge and ability to perform test procedures without coaching. This option is recommended for individuals who have at least five years experience. The Aggregate Lab class book will be mailed to the address on the registration.
Prerequisite: Must hold a current Aggregate Field certification or be registered for an Aggregate Field class or exam.
3. Register for the Aggregate Laboratory Exam with IA Witness option and pass the written exam. This option is for individuals who have been IA witnessed and only need to take the written exam. You must submit the DTMT 296 screen print from CMS indicating that KT-6, KT-31, KT-5 & KT-59 have been witnessed, to the K-State Salina CIT Program Office. The Aggregate Lab class book will be mailed to the address on the registration.
Prerequisite: Must hold a current Aggregate Field certification or be registered in an Aggregate Field class or exam.
This course is required by the Kansas Department of Transportation for persons testing aggregate for asphalt and concrete mix design to decide on quality and acceptability.
- Test for specific gravity and absorption of fine and coarse aggregate
- Use sand equivalency test to determine plastic fines in graded aggregates
- Examine the percentage of fractured particles in coarse aggregate
- Test for flat or elongated particles in coarse aggregate
Aggregate Laboratory Technician workbook included in course fee
Exam: The class and quiz out/recertification options require a written exam and a performance exam. The exam with IA witness option includes a written exam.
Score: A score of 60% on each portion of the written exam plus a 70% overall score is required to pass the exam. Failure on any part of the written exam requires a full retest. If three or less performance sub tests are failed, only the sub test failed must be retaken. If four or more sub tests are failed, all performance sub tests must be retaken.